﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp5
{
    class ArrayUtil
    {
        public static Boolean S(int[] arr)
        {
            if (arr.Length == 0 || arr == null)
            {

                Console.WriteLine("true");
                return true;

            }
            else
            {
                Console.WriteLine("false");
                return false;

            }



        }
    }
}
